The Question Sheet for Diagnostic Exercise #252, contributed by Luís Antônio Scalabrin Tondo, Bianca S. de Cecco, and Nanny Wenzlow from the Louisiana Animal Disease Diagnostic Laboratory, Louisiana State University,  Baton Rouge, LA, USA, is attached.
Corresponding author: bdececco@lsu.edu



The Diagnostic Exercises are an initiative of the Latin Comparative Pathology Group (LCPG), the Latin American subdivision of The Davis-Thompson Foundation. Members and non-members from any country of residence may contribute to these exercises. Please consider contributing a case to this initiative. It does not have to be unusual, and all pathology sub-specialties are welcome! Please consult instructions on how to format and submit your DE at
https://davisthompsonfoundation.org/diagnostic-exercises-instructions/
Previous cases are available at